. >> south africa's president announcing the death a short time later, president obama paid a deeply personal tribute. >> we've lost one of the most influential, courageous and profoundly good human beings that any of us will share time with on this earth. he no longer belongs to us. he belongs to the ages. through his fierce dignity and unbending will to sacrifice his own freedom for the freedom of others, he transformed south africa and moved all of us. his journey from a prisoner to a president embodied the promise that human beings and countries can change for the better. his commitment to transfer power and reconcile with those who jailed him set an example that all humanity should aspire to, whether in the lives of nations or our own personal lives. the day he was released from prison gave me a sense of what human beings can do when they are guided by hopes and not fears. and like so many around the globe, i cannot fully imagine my own life without the example that nelson mandela set. >> throughout the hour tonight and in our 10:00 hour tonight we'll talk to people that follow